How much does a cheap train ticket from Cardiff to Merthyr Tydfil cost?

The average train ticket price from Cardiff to Merthyr Tydfil is R 155. The best way to find cheap train tickets from Cardiff to Merthyr Tydfil is to book your tickets as early as possible. Prices tend to rise as your travel date approaches, so book in advance to secure the best prices!

How long is the train trip from Cardiff to Merthyr Tydfil?

A train trip between Cardiff and Merthyr Tydfil is around 1h 1m, although the fastest train will take about 56m. This is the time it takes to travel the 33 km that separates the two cities.

How many daily train are there between Cardiff and Merthyr Tydfil?

The number of trains from Cardiff to Merthyr Tydfil can differ depending on the day of the week. On average, there are 11. Some trains are direct while others include transferring trains. Simplify your train trip from Cardiff to Merthyr Tydfil by comparing and selecting the train that fits your travel style and budget on Busbud.

Which train companies travel from Cardiff to Merthyr Tydfil?

When taking the train from Cardiff to Merthyr Tydfil, you can travel comfortably and safely with Transport for Wales.

Train Cardiff to Merthyr Tydfil from R 141

Previously seen journeys

Next departures from Cardiff to Merthyr Tydfil on 12 November
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	15:30	Cardiff Queen Street	59m	16:29	Merthyr Tydfil	No tags
Train	16:00	Cardiff Queen Street	59m	16:59	Merthyr Tydfil	No tags
Train	16:30	Cardiff Queen Street	59m	17:29	Merthyr Tydfil	No tags
Train	17:00	Cardiff Queen Street	59m	17:59	Merthyr Tydfil	No tags
Train	17:30	Cardiff Queen Street	59m	18:29	Merthyr Tydfil	No tags

Get from Cardiff to Merthyr Tydfil

This route is served by train only

The journey takes about 1 hour 1 minute, and with fares starting at just R 155, it presents an excellent value for a comfortable ride.

11train per day

1h 1mAverage duration

33 kmDistance

1kgCO₂ emissions

Train Companies

Transport for Wales

3.5/58 reviews

Staff5

Timeliness5

Cleanliness5

WiFi5

Based on 8 reviews, the company was rated 3.5 stars on Busbud. Travellers were especially satisfied with the staff and the timeliness but often complained with the ticket access. Transport for Wales ticket prices on this trip start at R 155

GB train companies: Amtrak, Trenitalia, Renfe, VIA Rail Canada, RegioJet, FlixTrain, CrossCountry

Frequently asked questions on the trip Cardiff - Merthyr Tydfil

How much does a cheap train ticket from Cardiff to Merthyr Tydfil cost?
The average train ticket price from Cardiff to Merthyr Tydfil is R 155. The best way to find cheap train tickets from Cardiff to Merthyr Tydfil is to book your tickets as early as possible. Prices tend to rise as your travel date approaches, so book in advance to secure the best prices!
How long is the train trip from Cardiff to Merthyr Tydfil?
A train trip between Cardiff and Merthyr Tydfil is around 1h 1m, although the fastest train will take about 56m. This is the time it takes to travel the 33 km that separates the two cities.
How many daily train are there between Cardiff and Merthyr Tydfil?
The number of trains from Cardiff to Merthyr Tydfil can differ depending on the day of the week. On average, there are 11. Some trains are direct while others include transferring trains. Simplify your train trip from Cardiff to Merthyr Tydfil by comparing and selecting the train that fits your travel style and budget on Busbud.
Which train companies travel from Cardiff to Merthyr Tydfil?
When taking the train from Cardiff to Merthyr Tydfil, you can travel comfortably and safely with Transport for Wales.

Find cheapest prices for trains

Price is for a one-way ticket for one passenger and based on past searches.

Best price found

10/11

R 142

11/11

R 139

Today

R 143

13/11

R 142

14/11

R 142

15/11

R 142

16/11

R 142

17/11

R 142

The cheapest trip from Cardiff to Merthyr Tydfil was searched and found on 11 Nov 2025 with a price of R 139

To save money and be sure you have the best seat, it's a good idea to buy your train tickets from Cardiff to Merthyr Tydfil as early as possible.

You can expect to pay from R 139 to R 143 for a train ticket from Cardiff to Merthyr Tydfil based on the last 2 days. You can expect to find the cheapest price for the trip at R 142, which is on 2025-11-16.